For over a century, Bartlett Tree Experts has made sustainable landscapes thrive. Founded in 1907, Bartlett is a research-driven, family-owned and operated tree care company with over 100 offices in 27 U.S. states, Canada, Ireland and Great Britain. Bartlett’s tree care experts provide a mix of local service, global resources and innovative sustainable practices that lead the industry. Bartlett is the only private company in the National Plant Diagnostic Network, a consortium of government agencies and universities providing rapid diagnosis of plant pests and diseases. The Bartlett Tree Research Laboratory and Arboretum is located in Charlotte, NC on 400 acres and provides diagnostic, training and research support for the company and the industry.